:root{
  --bg: #f5f7fa;
  --panel: #ffffff;
  --panel2: #ffffff;

  --text: #0f172a;        /* Azul muy oscuro */
  --muted: #475569;       /* Gris azulado */

  --line: rgba(15,23,42,.10);

  --accent: #2563eb;      /* Azul profesional */
  --accent2: #16a34a;     /* Verde WhatsApp sobrio */

  --shadow: 0 16px 40px rgba(2, 6, 23, .08);
  --radius: 18px;
  --warm: #f3f1ec;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
  radial-gradient(900px 420px at 15% 0%, rgba(243,241,236,.9), transparent 55%),
  radial-gradient(700px 360px at 90% 10%, rgba(22,163,74,.08), transparent 50%),
  var(--bg);
}

a{ color: inherit; text-decoration: none; }
.container{
  width: min(1100px, calc(100% - 32px));
  margin-inline: auto;
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: linear-gradient(
    to bottom,
    rgba(243,241,236,.85),
    rgba(245,247,250,.95)
  );
  border-bottom: 1px solid var(--line);
}
.topbar__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.brand{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand__name{
  color: #1f2933;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .3px;
}
.brand__dot{
  width: 12px; height: 12px; border-radius: 999px;
  background: linear-gradient(135deg, var(--accent2), #22c55e);
  box-shadow: 0 0 0 6px rgba(22,163,74,.12);
}
.topbar__nav{
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
}
.topbar__nav a{
  padding: 8px 10px;
  border-radius: 10px;
}
.topbar__nav a:hover{
  background: rgba(255,255,255,.06);
  color: var(--text);
}

/* Hero */
.hero{
  padding: 44px 0 26px;
}
.hero__inner{
  display: grid;
  grid-template-columns: 1.25fr .9fr;
  gap: 22px;
  align-items: start;
}
.hero__copy h1{
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.1;
  margin: 0 0 12px;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
  max-width: 62ch;
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: .2px;
  cursor: pointer;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
  user-select: none;
}
.btn:active{ transform: translateY(1px); }
.btn--primary{
  background: var(--accent2);
  box-shadow: 0 12px 30px rgba(22,163,74,.25);
}
.btn--primary:hover{
  filter: brightness(1.05);
}
.btn--ghost{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.12);
}
.btn--ghost:hover{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.18);
}

.hero__cta{
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}
.micro{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* Trust */
.trust{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.trust__item{
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #ffffff;
}
.trust__item strong{
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}
.trust__item span{
  color: var(--muted);
  font-size: 12.5px;
}

/* Card */
.card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: var(--shadow);
  padding: 16px;
}
.card__title{
  margin: 0 0 10px;
  font-size: 16px;
}
.list{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}
.divider{
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}
.info{
  display: grid;
  gap: 10px;
}
.info__row{
  display: grid;
  gap: 6px;
}
.info__label{
  color: var(--muted);
  font-size: 12.5px;
}
.info__value{
  font-weight: 700;
  font-size: 14px;
}

/* CTA */
.cta{
  padding: 26px 0 34px;
}
.cta__inner{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
}
.cta h2{
  margin: 0 0 6px;
  font-size: 18px;
}
.cta p{
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

/* Footer */
.footer{
  padding: 22px 0 34px;
  color: var(--muted);
}
.footer__inner{
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-size: 13px;
}
.footer__muted{
  opacity: .9;
}

/* Responsive */
@media (max-width: 900px){
  .hero__inner{ grid-template-columns: 1fr; }
  .topbar__nav{ display: none; }
  .trust{ grid-template-columns: 1fr; }
  .cta__inner{ grid-template-columns: 1fr; }
}

.footer__link{
  color: var(--text);
  opacity: .9;
}
.footer__link:hover{
  opacity: 1;
  text-decoration: underline;
}